28673964

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 86311680

約数和(自身を除く): 57637716

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 37, 38, 44, 57, 66, 74, 76, 99, 103, 111, 114, 132, 148, 171, 198, 206, 209, 222, 228, 309, 333, 342, 396, 407, 412, 418, 444, 618, 627, 666, 684, 703, 814, 836, 927, 1133, 1221, 1236, 1254, 1332, 1406, 1628, 1854, 1881, 1957, 2109, 2266, 2442, 2508, 2812, 3399, 3663, 3708, 3762, 3811, 3914, 4218, 4532, 4884, 5871, 6327, 6798, 7326, 7524, 7622, 7733, 7828, 8436, 10197, 11433, 11742, 12654, 13596, 14652, 15244, 15466, 17613, 20394, 21527, 22866, 23199, 23484, 25308, 30932, 34299, 35226, 40788, 41921, 43054, 45732, 46398, 64581, 68598, 69597, 70452, 72409, 83842, 86108, 92796, 125763, 129162, 137196, 139194, 144818, 167684, 193743, 217227, 251526, 258324, 278388, 289636, 377289, 387486, 434454, 503052, 651681, 754578, 774972, 796499, 868908, 1303362, 1509156, 1592998, 2389497, 2606724, 3185996, 4778994, 7168491, 9557988, 14336982, 28673964]

約数ペア:

[(1, 28673964), (2, 14336982), (3, 9557988), (4, 7168491), (6, 4778994), (9, 3185996), (11, 2606724), (12, 2389497), (18, 1592998), (19, 1509156), (22, 1303362), (33, 868908), (36, 796499), (37, 774972), (38, 754578), (44, 651681), (57, 503052), (66, 434454), (74, 387486), (76, 377289), (99, 289636), (103, 278388), (111, 258324), (114, 251526), (132, 217227), (148, 193743), (171, 167684), (198, 144818), (206, 139194), (209, 137196), (222, 129162), (228, 125763), (309, 92796), (333, 86108), (342, 83842), (396, 72409), (407, 70452), (412, 69597), (418, 68598), (444, 64581), (618, 46398), (627, 45732), (666, 43054), (684, 41921), (703, 40788), (814, 35226), (836, 34299), (927, 30932), (1133, 25308), (1221, 23484), (1236, 23199), (1254, 22866), (1332, 21527), (1406, 20394), (1628, 17613), (1854, 15466), (1881, 15244), (1957, 14652), (2109, 13596), (2266, 12654), (2442, 11742), (2508, 11433), (2812, 10197), (3399, 8436), (3663, 7828), (3708, 7733), (3762, 7622), (3811, 7524), (3914, 7326), (4218, 6798), (4532, 6327), (4884, 5871)]